http://invisionfree.com

     InvisionFree is a free service that provides online communities. While similar to a Chat Room or an Instant Messenger, InvisionFree can be used for long term discussions with a large group of people. You can post a message for others to see even if they are not online at the moment. InvisionFree can be used for friends, clubs, and businesses. InvisionFree could be used to talk about your favorite sport or even a general chat area where people can talk about whatever they want. Not only does InvisionFree provide the best possible environment for online communities, but it is also easy to set up and manage.